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Showing 1 to 10 of 10 for “"light yield"”.
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Toward a User's Toolkit for Modeling Scintillator Nonproportionality and Light Yield
… detectors. In general, anything that causes light yield to change along the particle track (e.g., the primary electron track in γ-ray detectors) contributes to nonproportionality. Most of the physics of nonproportionality lies in the host-transport and transfer-to-activator term. The main …
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Coupled Rate and Transport Equations Modeling Light Yield, Pulse Shape, and Proportionality to Energy in Electron Tracks: A Study of CsI and CsI:Tl Scintillators
… variation in \emph{dE/dx} and we calculate the light yield for each local value of \emph{dE/dx}. This intermediate quantity that we call local light yield as a function of dE/dx cannot itself be directly measured by experiments. The local light yields must be multiplied by the number of times …
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EXPERIMENTAL AND COMPUTATIONAL STUDIES OF NONLINEAR QUENCHING IN MATERIALS USED AS RADIATION DETECTORS
… has direct consequences on scintillator light yield and proportionality. Furthermore, 2nd order quenching indicates the carrier population is dominated by bound electrons and holes (excitons or self-trapped excitons), and 3rd order quenching implies free carriers. A population of free …
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Characterization of water-based liquid scintillator response to gammas and neutrons at varying scintillator-surfactant concentrations
… organic scintillator. Investigation into the light yield and light attenuation of this material is conducted, providing promising results. The scintillator pair PPO and POPOP serve as the primary and secondary fluor for the bulk scintillator, dissolved in Triton-X surfactant to fix the issue …
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Experiments and Monte Carlo Analysis for the Optical Properties of the Scintillator in SNO+
… simulated by an analysis tool called RAT, the light yield of the scintillator could be determined by comparing data measurements with simulations. This allowed the light yield, one of the main optical properties of the scintillator, to be measured and that value to be corrected in the Monte …
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Synthesis and characterization of cerium-doped lanthanum halide colloidal nanocrystals
… bulk lanthanum bromide is reported to have a light yield of 60,000 photons/MeV, 2.5% full-width-to-half-maximum energy resolution (variation in emission light yield to absorbed gamma energy) for 662 keV gamma rays, 25 ns short decay time, and a density of 5.3 g/cm3 with 22 mm attenuation …
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Das Lichtpulsersystem des elektromagnetischen CsI(Tl)-Kalorimeters des Babar-Detektors
A light pulser system for the Babar CsI(Tl) calorimeter, capable of monitoring the light yield of the 6580 crystals and of checking the function and linearity of the readout electronics, was developed in a collaboration with groups from Bochum and Edinburgh. The light pulser system is based on the …
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Nanomanufacturing of functional nanostructured surfaces for efficient light transport
… structural coloring effects, and enhanced light extraction from high refractive index materials due to their potential to modulate optical behavior on their surfaces. This thesis focuses on design, analysis, and fabrication of functional nanostructured surfaces for efficient light …
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Polymerizable dopants capable of high light output and pulse shape discrimination for application in plastic scintillators
… addition, PSs are of great interest due to their light weight, ambient stability, and ease of fabrication into complex and large geometries. Recent interest in PSs has become even more widespread due to their pulse shape discrimination (PSD) capabilities – the ability to detect and discriminate …
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Lichtstreuende Oberflächen, Schichten und Schichtsysteme zur Verbesserung der Lichteinkopplung in Silizium-Dünnschichtsolarzellen
This doctoral thesis addresses the light yield and the optical loss mechanisms in thin-film solar cells based on amorphous (a-Si:H) and microcrystalline (µc-Si:H) silicon. The study focuses on the optimization of the aluminum-doped zinc oxide (ZnO:Al) front contact, which has to combine low series …